I am 64 and missed schooling because of childhood hospitalisation. I'm embarrassed about how little I know of maths and have been reading thru the about.math site. A Kindergarten! geometry question is 'I have four sides and four vertices - what am I?' I'd not known the term vertex/vertices. When I looked it up the examples referred to solids, with faces, edges and vertices. Not 'sides'. I'm assuming that a kindergarten level is probably asking for 'a square'. But, if that is so, why not use the word 'angle'? Many thanks. Margarita.

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Kevin, thank you so much for your helpful response - that is totally clear now - and also for your encouragement!

I notice that Wyzant have me registered as living in 'Myrtle, MS', wherever that is! I actually live in the Canary Islands, a Spanish province that is just off the coast of the Western Sahara.... I've asked Wyzant if any of their tutors are willing to work via email. (Do you?) Best wishes, Margarita